On Wed, Aug 05, 2015 at 04:47:59PM +0100, Andrew Cooper wrote:
> From: Anshul Makkar <anshul.mak...@citrix.com>
>
> A domain with sufficient shadow allocation can cause a watchdog timeout
> during domain destruction. Expand the existing -ERESTART logic in
> paging_teardown() to allow {hap/sh}_set_allocation() to become
> restartable during the DOMCTL_destroydomain hypercall.
>
> Signed-off-by: Anshul Makkar <anshul.mak...@citrix.com>
> Signed-off-by: Andrew Cooper <andrew.coop...@citrix.com>
> Reviewed-by: Tim Deegan <t...@xen.org>
> ---
> CC: George Dunlap <george.dun...@eu.citrix.com>
> CC: Jan Beulich <jbeul...@suse.com>
> CC: Wei Liu <wei.l...@citrix.com>
>
> v2:
> * Drop {HAP,SHADOW}_PRINTK(). They are not very useful, and will get
> very noisy if enabled.
>
> Wei: Currently, Xen can't actually run 1TB guests without suffering a
> watchdog timeout when destroying the domain. Therefore this is fairly
> important for 4.6 (and backport), or we will have to retroactively drop
> the currently-stated supported limits on the wiki.
>
Right. This is a good reason to have it for 4.6.
Release-acked-by: Wei Liu <wei.l...@citrix.com>
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